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Three green DDR3 ECC UDIMM sticks with gold contacts

A-Tech

A-Tech 24GB (3x8GB) DDR3 1333MHz ECC UDIMM memory upgrade for Mac Pro 2010/2012

SKU CH-GHNQ-YH2CH

24 GB DDR3 1333 MHz ECC UDIMM kit adds memory to Mac Pro 2010 and 2012 towers

  • Capacity24GB (3 x 8GB)
  • SpeedDDR3 1333 (PC3 10600)
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor Brand Chipset
  • 24 GB total capacity from three 8 GB modules for expanded multitasking
  • DDR3 1333 MHz PC3-10600 speed matches Mac Pro memory bus
  • ECC unbuffered design detects and corrects single-bit errors automatically
  • Certified compatible with Mac Pro 2010 and 2012 6-Core and 12-Core models
  • 50 V standard voltage ensures stable operation in supported Xeon systems

Mac Pro 2010/2012 DDR3 ECC Kit

This 24GB kit (3 x 8GB) uses DDR3 1333MHz PC3-10600 ECC UDIMM modules at 1.50V. It is built for Apple Mac Pro towers from Mid 2010 and Mid 2012 with 6-Core or 12-Core Xeon processors. The unbuffered design matches the system's memory controller requirements. Each module is tested for compatibility with MacPro5,1 and order numbers MD771LL/A.

Replaces smaller factory configurations

The kit upgrades systems shipped with 6GB or 12GB of memory by filling three slots with higher-density modules. The jump is worthwhile when workloads exceed the original capacity and cause paging to storage. It suits users running virtual machines, large media libraries, or multi-application workflows on these Xeon platforms. Buyers needing more than 24GB total capacity cannot use this kit alone.

Fits Mac Pro 4-slot or 8-slot architecture

Three 240-pin UDIMMs leave remaining slots free for future expansion or allow mixed-capacity configurations. The ECC unbuffered specification ensures error correction without registered buffering overhead. It works with the listed Xeon processors including 2.4GHz, 2.66GHz, 2.93GHz, 3.06GHz and 3.33GHz models. Builders requiring registered DIMMs or non-ECC memory should select a different product.

Highlights

  • 24 GB total capacity from three 8 GB modules for expanded multitasking
  • DDR3 1333 MHz PC3-10600 speed matches Mac Pro memory bus
  • ECC unbuffered design detects and corrects single-bit errors automatically
  • Certified compatible with Mac Pro 2010 and 2012 6-Core and 12-Core models
  • 50 V standard voltage ensures stable operation in supported Xeon systems

Specifications

BrandA-Tech
SeriesA-Tech DDR3 Apple Mac RAM Memory Upgrades
Capacity24GB (3 x 8GB)
SpeedDDR3 1333 (PC3 10600)
Voltage1.50V
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor Brand Chipset
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions about this item

Will the 240-pin ECC UDIMM modules fit the memory slots in my Mac Pro 5,1?

Yes, the 240-pin DDR3 ECC UDIMM form factor matches the Mac Pro 5,1 memory slots exactly.

Do I need to install the three 8GB modules in specific slots for the Mac Pro 2010/2012?

Populate the three modules in one processor tray's slots (e.g., DIMM 1, 2, 3) for triple-channel operation; leaving gaps or splitting across trays reduces bandwidth.

If a module fails years later, can I replace just one 8GB stick or must I replace the full 24GB kit?

Each 8GB module is individually tested and covered by the lifetime warranty, so a single stick can be replaced without returning the full kit.

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